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• exec() just run when i access target php in browser

  28 septembre 2016, par Mohammad Shojaa

  i use this code to run another php for some work (ffmpeg convert)

      $binpath = get_option('binpath','/usr/bin/php');
  
      $command = $binpath." -cli -f ".ABSPATH."/videocron.php";
  
      exec( "$command > /dev/null &", $arrOutput );

  but when i upload a video and run this code don’t convert video for ever.

  but when i access to videocron.php from browser all videos i uploaded convert suddenly !!!

  i use alternative exec function(system(); exec(); passthru(); shell_exec();)
  and i check videocron.php by readable function, it is readable.

  even i change owner videocron.php to nobody user

  in mod_security log i get this error :

  [Tue Sep 20 23:01:11 2016] [error] [client 37.156.10.171] ModSecurity: Multipart parsing error (init): Multipart: Boundary not found in C-T. [hostname "codenevis.net"] [uri "/lib/upload-ffmpeg.php"] [unique_id "V@GAb38AAAEAAGrk2QoAAAAH"]

  but even i unistalll mod_security it don’t work automatically.

  but in all don’t convert video until i access to videocron.php from browser !

• Nginx rtmp live stream with ffmpeg Transcoding , ffmpeg dont work

  7 septembre 2016, par loip104

  Hy i am trying to receive a stream convert and give out on rtmp

  my nginx config

  #user  nobody;
  
  worker_processes  1;
  
  
  
  error_log  logs/error.log debug;
  
  
  
  events {
  
      worker_connections  1024;
  
  }
  
  
  
  rtmp {
  
          server {
  
                  listen 1935;
  
                  chunk_size 8192;
  
  
  
    application big {
  
                  live on;
  
    exec ffmpeg -i rtmp://127.0.0.1/big/test -vcodec libx264 -preset veryfast -b:v 2000k -maxrate 2000k -bufsize 2000k -s 1280x720 -sws_flags lanczos -r 60 -acodec copy -f flv rtmp://127.0.0.1/live/test;
  
  }
  
  
  
    application live {
  
            live on;
  
  
  
      }
  
  
  
   
  
          }
  
  }

  Her is the nginx log file , nginx start —> OBS connected

  2016/09/07 20:57:49 [notice] 9841#0: using the "epoll" event method
  
  2016/09/07 20:57:49 [notice] 9841#0: nginx/1.9.15
  
  2016/09/07 20:57:49 [notice] 9841#0: built by gcc 4.9.2 (Debian 4.9.2-10) 
  
  2016/09/07 20:57:49 [notice] 9841#0: OS: Linux 3.16.0-4-amd64
  
  2016/09/07 20:57:49 [notice] 9841#0: getrlimit(RLIMIT_NOFILE): 65536:65536
  
  2016/09/07 20:57:49 [notice] 9842#0: start worker processes
  
  2016/09/07 20:57:49 [notice] 9842#0: start worker process 9843
  
  2016/09/07 20:57:51 [info] 9843#0: *1 client connected '**.**.**.234'
  
  2016/09/07 20:57:52 [info] 9843#0: *1 connect: app='live' args='' flashver='LNX 9,0,124,2' swf_url='' tc_url='rtmp://sb2.stream-booster.ovh:1935/live' page_url='' acodecs=4071 vcodecs=252 object_encoding=0, client: **.**.**.234, server: 0.0.0.0:1935
  
  2016/09/07 20:57:52 [info] 9843#0: *1 createStream, client: **.**.**.234, server: 0.0.0.0:1935
  
  2016/09/07 20:57:52 [info] 9843#0: *1 play: name='test' args='' start=-2000 duration=0 reset=0 silent=0, client: **.**.**.234, server: 0.0.0.0:1935
  
  2016/09/07 20:58:17 [info] 9843#0: *2 client connected '**.**.**.234'
  
  2016/09/07 20:58:17 [info] 9843#0: *2 connect: app='big' args='' flashver='FMLE/3.0 (compatible; obs-studi' swf_url='rtmp://sb2.***.ovh/big' tc_url='rtmp://sb2.***.ovh/big' page_url='' acodecs=0 vcodecs=0 object_encoding=0, client: **.**.**.234, server: 0.0.0.0:1935
  
  2016/09/07 20:58:18 [info] 9843#0: *2 createStream, client: **.**.**.234, server: 0.0.0.0:1935
  
  2016/09/07 20:58:18 [info] 9843#0: *2 publish: name='test' args='' type=live silent=0, client: **.**.**.234, server: 0.0.0.0:1935
  
  2016/09/07 20:58:18 [info] 9843#0: *2 exec: starting managed child 'ffmpeg', client: **.**.**.234, server: 0.0.0.0:1935
  
  2016/09/07 20:58:18 [info] 9843#0: *2 exec: child 9844 exited; ignoring, client: **.**.**.234, server: 0.0.0.0:1935
  
  2016/09/07 20:58:18 [info] 9843#0: *2 exec: terminating child 9844, client: **.**.**.234, server: 0.0.0.0:1935
  
  2016/09/07 20:58:18 [notice] 9843#0: signal 17 (SIGCHLD) received
  
  2016/09/07 20:58:18 [notice] 9843#0: unknown process 9844 exited with code 1
  
  2016/09/07 20:58:18 [info] 9843#0: epoll_wait() failed (4: Interrupted system call)

  But i dont get a Output on "rtmp ://127.0.0.1/live/test"

  if i start ffmpeg on terminal all work fine , i think nginx dont execute the command ?

  how i get this ?

• Avoid auto rotating video in HTML

  15 septembre 2016, par hasanghaforian

  I use ffmpeg to convert a 3gp video to MP4. You can see a part of output of ffmpeg here :

  ffmpeg version N-79139-gde1a0d4 Copyright (c) 2000-2016 the FFmpeg developers

  ...

  Input #0, 
  
  
  
  ...
  
      Metadata:
  
        rotate          : 90
  
        creation_time   : ...
  
        handler_name    : VideoHandle
  
        encoder         :                                
  
      Side data:
  
        displaymatrix: rotation of -90.00 degrees
  
      ...

  I use noautorotate option in below command to avoid auto rotate based on metadata of file and it is successful. Then I tried this HTML code to open converted file in a browser(for example by Google Chrome) :

  <video width="320" height="240" controls="controls">
  
    <source src="../videos/test.mp4" type="video/mp4">
  
  </source></video>

  But when I open that, video shown rotated. How I can solve this problem ? Is there a tag or any other thing to disable autorotate in HTML ?